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Finding the Fourth Proportional to 83,167.40, 124,829.40 and 43,752.80

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Solution

The fourth proportional to 83,167.40, 124,829.40 and 43,752.80 is: 65,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,167.40 : 124,829.40 = 43,752.80 : x
  2. Step 2: Convert to fraction form
    83,167.40/124,829.40 = 43,752.80/x
  3. Step 3: Cross multiply
    83,167.40x = 124,829.40 × 43,752.80
  4. Step 4: Simplify right side
    83,167.40x = 5,461,635,772.32
  5. Step 5: Solve for x
    x = 5,461,635,772.32/83,167.40
  6. Step 6: Final answer
    x = 65,670.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.